iPhone 3G Papercase
thingiverse
I saw the 99 cent cardboard iPhone case and decided to make my own. Instructions Fold it, just make sure you do it the right way,otherwise it will obscure everything except the screen.
Download Model from thingiverse
With this file you will be able to print iPhone 3G Papercase with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on iPhone 3G Papercase.